public void Index(Block block)
{
var hash = block.GetHash().ToString();
using (IndexerTrace.NewCorrelation("Upload of " + hash).Open())
{
Stopwatch watch = new Stopwatch();
watch.Start();
bool failedBefore = false;
while (true)
{
try
{
var container = Configuration.GetBlocksContainer();
var client = container.ServiceClient;
client.DefaultRequestOptions.SingleBlobUploadThresholdInBytes = 32 * 1024 * 1024;
var blob = container.GetPageBlobReference(hash);
MemoryStream ms = new MemoryStream();
block.ReadWrite(ms, true);
var blockBytes = ms.GetBuffer();
long length = 512 - (ms.Length % 512);
if (length == 512)
{
length = 0;
}
Array.Resize(ref blockBytes, (int)(ms.Length + length));
try
{
blob.UploadFromByteArray(blockBytes, 0, blockBytes.Length, new AccessCondition()
{
//Will throw if already exist, save 1 call
IfNotModifiedSinceTime = failedBefore ? (DateTimeOffset?)null : DateTimeOffset.MinValue
}, new BlobRequestOptions()
{
MaximumExecutionTime = _Timeout,
ServerTimeout = _Timeout
});
watch.Stop();
IndexerTrace.BlockUploaded(watch.Elapsed, blockBytes.Length);
break;
}
catch (StorageException ex)
{
var alreadyExist = ex.RequestInformation != null && ex.RequestInformation.HttpStatusCode == 412;
if (!alreadyExist)
{
throw;
}
watch.Stop();
IndexerTrace.BlockAlreadyUploaded();
break;
}
}
catch (Exception ex)
{
IndexerTrace.ErrorWhileImportingBlockToAzure(new uint256(hash), ex);
failedBefore = true;
Thread.Sleep(5000);
}
}
}
}
